1) R. Y. Tsien, "New Calcium Indicators and Buffers with High Selectivity against Magnesium and Protons: Design, Synthesis, and Properties of Prototype Structures", Biochemistry, 1980, 19 (11), 2396.
2) R. Y. Tsien, "A Non-disruptive Technique for Loading Calcium Buffers and Indicators into Cells", Nature, 1981, 290, 527.
3) J. I. Korenbrot, D. L. Ochs, J. A. Williams, D. L. Miller and J. E. Brown, "The Use of Tetracarboxylate Fluorescent Indicators in the Measurement and Control of Intracellular Free Calcium Ions", Soc. Gen. Physiol. Ser., 1986, 40, 347.
4) S. M. Harrison and D. M. Bers, "The Effect of Temperature and Ionic Strength on the Apparent Ca-affinity of EGTA and the Analogous Ca-chelators BAPTA and Dibromo-BAPTA", Biochim. Biophys. Acta, 1987, 925, 133.
5) E. W. Gelfand and R. K. Cheung, "Dissociation of Unidirectional Influx of External Ca2+ and Release from Internal Stores in Activated Human T Lymphocytes", Eur. J. Immunol., 1990, 20, 1237.
6) J. P. Kao, J. M. Alderton, R. Y. Tsien and R. A. Steinhardt, "Active Involvement of Ca2+ in Mitotic Progression of Swiss 3T3 Fibroblasts", J. Cell Biol., 1990, 111, 183.
7) M. L. Schubert and J. Hightower, "Functionally Distinct Muscarinic Receptors on Gastric Somatostatin Cells", Am. J. Physiol., 1990, 258, G982.
8) Y. Tojyo and Y. Matsumoto, "Inhibitory Effects of Loading with the Calcium-chelator 1, 2-Bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid (BAPTA) on Amylase Release and Cellular ATP Level in Rat Parotid Cells", Biochem. Pharmacol., 1990, 39(11), 1775.
BAPTA
蛍光で細胞内 Ca を測定したい 
